Navigation device



FIG. 1 is a front perspective view of a navigation device according to the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a right side elevational view thereof.

It should be noted that modifications may be made, equivalents may be employed, and substitutions may be made herein without departing from the scope of the claimed design. 

The ornamental design for a navigation device, as shown and described. 